sunset

US /ˈsʌn.set/
UK /ˈsʌn.set/
"sunset" picture
1.

the time in the evening when the sun disappears or goes below the horizon

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We watched the beautiful sunset over the ocean.
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The sky turned orange and pink at sunset.
:
dusktwilighteventidesundownnightfall
2.

the final stage of something, especially a period of decline or ending

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The company is in the sunset of its operations.
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It was the sunset of an era.
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declineenddemisewanetwilight